CN204882076U - Adjustable valve timing mechanism test bench - Google Patents
Adjustable valve timing mechanism test bench Download PDFInfo
- Publication number
- CN204882076U CN204882076U CN201520465783.0U CN201520465783U CN204882076U CN 204882076 U CN204882076 U CN 204882076U CN 201520465783 U CN201520465783 U CN 201520465783U CN 204882076 U CN204882076 U CN 204882076U
- Authority
- CN
- China
- Prior art keywords
- camshaft
- cylinder cap
- tappet
- adjustable valve
- actuating mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model relates to an engine testing equipment technical field provides an adjustable valve timing mechanism test bench, including bottom plate, guider, camshaft, transmission shaft, cylinder cap installation, cylinder cap assembly and rocker -arm support and fixing camshaft sleeve and the reducing bushing at the camshaft both ends, the transmission shaft passes through the camshaft jackshaft to be connected with camshaft one end, and the camshaft other end passes through axial positioning device axial positioning, cylinder cap installation version is installed on the movable support that lives through the height control piece, installation cylinder cap assembly and rocker -arm support on the cylinder cap mounting panel, cylinder cap assembly and rocker -arm support pass through push rod and tappet and the camshaft contact, the tappet supports through the tappet panel seat of installing on the movable support that lives, and the tappet panel seat passes through camshaft sleeve and cam shaft connection, and it can be for bottom plate axial displacement to live movable support and reducing bushing. This adjustable valve timing mechanism test bench has simplified experimental device, has improved test efficiency, has shortened test duration, has characteristics such as commonality and controllability.
Description
Technical field
The utility model relates to engine test facility technical field, particularly relates to a kind of adjustable valve actuating mechanism testing table.
Background technology
Engine component testing table comprises the testing tables such as bent axle, connecting rod, body, and the valve actuating mechanism test of engine is generally directly carried out on the engine, after engine complete machine has been manufactured experimently, carry out dynamic test, and then perform rigidity, quality, the isoparametric step of cam profile of evaluating Design of Valve.
At present, engine valve actuating mechanism testing table generally comprises testing table supporting trolley and is fixedly mounted on the structures such as cylinder cap web joint, front end wheel train, motor, circulating oil path and motor front-end wheel system on testing table supporting trolley.It can effectively, the actual working state of real simulated dual overhead camshaft engine valve actuating mechanism, but this valve actuating mechanism test platform structure is comparatively complicated, need timing wheel train or gear case are installed, and the test efficiency of whole valve actuating mechanism is lower, test period is longer, and versatility is poor.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of simple and reliable, test efficiency is high, highly versatile and have the adjustable valve actuating mechanism testing table of performance-adjustable.
For solving the problems of the technologies described above, a kind of adjustable valve actuating mechanism testing table, comprise base plate, transmission shaft, cylinder cap installing plate, laser displacement sensor parts, cylinder cap assembly and rocker arm bracket and camshaft, described adjustable valve actuating mechanism testing table also comprises the cam shaft bush and reducing bushing that are fixed on described camshaft two ends, described transmission shaft is connected with described camshaft one end by camshaft intermediate shaft, and the described camshaft other end is by axial direction positioning device axial location;
Described cylinder cap installing plate is arranged on travel(l)ing rest by height adjusting block, described cylinder cap installing plate installs described cylinder cap assembly and rocker arm bracket, described cylinder cap assembly and rocker arm bracket are contacted with described camshaft with tappet by push rod, wherein, described tappet is supported by the tappet panel seat be arranged on travel(l)ing rest, and described tappet panel seat is connected with described camshaft by described cam shaft bush;
Described base plate is provided with guide piece, and described reducing bushing and travel(l)ing rest are fixed on guide piece.
As a kind of improved plan, described camshaft non-transmision end side is provided with the end cap be fixed on described reducing bushing.
As a kind of improved plan, described axial direction positioning device is steel ball.
As a kind of improved plan, center, described camshaft non-transmision end side is provided with the bellmouth for placing described steel ball, there is a tapped through hole at the place-centric place that described end cap is relative with described bellmouth, and described tapped through hole combines the screw rod corresponding with it and nut carries out axial location to described camshaft.
As a kind of improved plan, described bellmouth puts into 2/3 of steel ball volume.
As a kind of improved plan, described guide piece is be arranged on the line slideway for the movement vertically of described travel(l)ing rest on described base plate.
Because adjustable valve actuating mechanism testing table comprises base plate, transmission shaft, cylinder cap installing plate, laser displacement sensor parts, cylinder cap assembly and rocker arm bracket, camshaft, height adjusting block, push rod, tappet and guide piece, the line slideway of reducing bushing and travel(l)ing rest and the movement vertically of the described travel(l)ing rest of confession, only reducing bushing and travel(l)ing rest need be regulated when testing dissimilar valve actuating mechanism, but also comprise height adjusting block, its thickness can be selected according to the valve actuating mechanism of dissimilar engine, thus simplify the device of Valve Dynamics test, improve test efficiency, shorten the test period, there is the feature such as versatility and controllability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adjustable valve actuating mechanism testing table of the utility model;
Fig. 2 is the A-A cut-open view of Fig. 1;
In figure: 1, base plate, 2, gathering sill, 3, axial direction positioning device, 4, cam shaft bush, 5, reducing bushing, 6, height adjusting block, 7, cylinder cap installing plate, 8, laser displacement sensor parts, 9, movable bearing support, 10, tappet panel seat, 11, tappet, 12, push rod, 13, cylinder cap assembly and rocker arm bracket, 14, camshaft, 15, camshaft intermediate shaft, 16, transmission shaft, 17, end cap.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 and 2, adjustable valve actuating mechanism testing table comprises base plate 1, transmission shaft 16, cylinder cap installing plate 7, laser displacement sensor parts 8, cylinder cap assembly and rocker arm bracket 13 and camshaft 14, this testing table also comprises the cam shaft bush 4 and reducing bushing 5 that are fixed on camshaft 14 two ends, cam shaft bush 4 is arranged on camshaft 14, reducing bushing 5 is sleeved on outside cam shaft bush 4, and reducing bushing 5 can axially move relative to base plate 1;
Wherein, transmission shaft 16 is driven by motor, and transmission shaft 16 is connected with camshaft 14 one end by camshaft intermediate shaft 15, and transmission shaft 16 is bolted with camshaft 14 with camshaft intermediate shaft 15 and camshaft intermediate shaft 15; Camshaft 14 other end passes through axial direction positioning device 3 axial location, by regulating this device to meet the axial installation accuracy of valve actuating mechanism test;
Wherein, cylinder cap installing plate 7 is arranged on travel(l)ing rest 9 by below height adjusting block 6, and this height adjusting block 6 adopts different thickness according to the valve actuating mechanism of dissimilar engine, and such the utility model can be tested the valve actuating mechanism of different model;
Cylinder cap assembly for testing and rocker arm bracket 13 are installed above above-mentioned cylinder cap installing plate 7, cylinder cap assembly and rocker arm bracket 13 are contacted with camshaft 14 with tappet 11 by push rod 12, wherein, this tappet 11 is supported by the tappet panel seat 10 be arranged on travel(l)ing rest 9, tappet panel seat 10 is connected with camshaft 14 by cam shaft bush 4, this cam shaft bush 4 internal diameter and camshaft 14 external diameter close-fitting, cam shaft bush 4 external diameter and tappet panel seat 10 internal diameter close-fitting;
Base plate 1 is provided with guide piece 2, reducing bushing 5 and travel(l)ing rest 9 are fixed on guide piece 2, and can move axially by opposed bottom 1, when testing dissimilar valve actuating mechanism, can suitably adjust reducing bushing 5 and the position of travel(l)ing rest 9 relative to guide piece 2 axis according to assembly precision.
Wherein, an end cap 17 is installed outside reducing bushing 5, effectively can prevents the impurity such as dust and as one of structure of adjustment the utility model axial location, hereafter can have a detailed description.
In the utility model, axial direction positioning device 3 can adopt steel ball to locate, and can certainly adopt other detent mechanisms, not repeat them here, and wherein, adopts the mode of steel ball location can adopt following structure:
Be provided with a bellmouth in center, camshaft 14 non-transmision end side, this bellmouth can put into 2/3 of steel ball volume, and the volume that bellmouth put into by certain steel ball can adjust according to actual service condition; A threaded hole is provided with in end cap 17 center opposite with this bellmouth, screw rod passes end cap 17 from outside and nut is screwed in the shaft of end cap 17 outer end, by control screw rod length and fastening nut carries out axial location, guarantee test accuracy of the present utility model.
Wherein, the above-mentioned structure being arranged on camshaft 14 and reducing bushing 5 and the cam shaft bush between tappet panel seat 10 and camshaft 14 4, comprise diameter dimension and other corresponding parameters can be chosen according to the standard of the installation requirements of reality or correspondence, do not repeat them here.
Wherein, above-mentioned camshaft 14 non-transmision end side refers to the one end away from transmission shaft 16.
In the utility model, above-mentioned guide piece 2 can adopt various ways, as long as the object making travel(l)ing rest 9 move axially can be reached, this guide piece 2 can be arranged on the line slideway on base plate 1, this line slideway can axially move for travel(l)ing rest 9, the fastening bolt unclamping movable bearing support 9 regulates it to correct position and fastening, and easy to operate precision is high.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (6)
1. an adjustable valve actuating mechanism testing table, comprise base plate (1), transmission shaft (16), cylinder cap installing plate (7), laser displacement sensor parts (8), cylinder cap assembly and rocker arm bracket (13) and camshaft (14), it is characterized in that: described adjustable valve actuating mechanism testing table also comprises the cam shaft bush (4) and reducing bushing (5) that are fixed on described camshaft (14) two ends, described transmission shaft (16) is connected with described camshaft (14) one end by camshaft intermediate shaft (15), described camshaft (14) other end is by axial direction positioning device (3) axial location,
Described cylinder cap installing plate (7) is arranged on travel(l)ing rest (9) by height adjusting block (6), described cylinder cap installs version (7) the described cylinder cap assembly of upper installation and rocker arm bracket (13), described cylinder cap assembly and rocker arm bracket (13) are contacted with described camshaft (14) with tappet (11) by push rod (12), wherein, described tappet (11) is supported by the tappet panel seat (10) be arranged on travel(l)ing rest (9), described tappet panel seat (10) is connected with described camshaft (14) by described cam shaft bush (4),
Described base plate (1) is provided with guide piece (2), described reducing bushing (5) and travel(l)ing rest (9) are fixed on guide piece (2).
2. adjustable valve actuating mechanism testing table according to claim 1, is characterized in that: described camshaft (14) non-transmision end side is provided with the end cap (17) be fixed on described reducing bushing (5).
3. adjustable valve actuating mechanism testing table according to claim 2, is characterized in that: described axial direction positioning device (3) is steel ball.
4. adjustable valve actuating mechanism testing table according to claim 3, it is characterized in that: center, described camshaft (14) non-transmision end side is provided with the bellmouth for placing described steel ball, there is a tapped through hole at the place-centric place that described end cap (17) is relative with described bellmouth, and described tapped through hole combines the screw rod corresponding with it and nut carries out axial location to described camshaft (14).
5. adjustable valve actuating mechanism testing table according to claim 4, is characterized in that: described bellmouth puts into 2/3 of steel ball volume.
6. adjustable valve actuating mechanism testing table according to claim 1, is characterized in that: described guide piece (2) is for being arranged on the upper line slideway for described travel(l)ing rest (9) movement vertically of described base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465783.0U CN204882076U (en) | 2015-07-01 | 2015-07-01 | Adjustable valve timing mechanism test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465783.0U CN204882076U (en) | 2015-07-01 | 2015-07-01 | Adjustable valve timing mechanism test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882076U true CN204882076U (en) | 2015-12-16 |
Family
ID=54826438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520465783.0U Active CN204882076U (en) | 2015-07-01 | 2015-07-01 | Adjustable valve timing mechanism test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882076U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588958A (en) * | 2017-11-07 | 2018-01-16 | 吴兆阳 | Engine valve actuating mechanism experimental rig |
| CN109387371A (en) * | 2018-10-17 | 2019-02-26 | 奇瑞汽车股份有限公司 | Engine valve actuating mechanism test-bed |
| CN111185866A (en) * | 2020-02-28 | 2020-05-22 | 广西玉柴机器股份有限公司 | Guide rail type positioning and press-fitting tool for cam shaft timing gear |
-
2015
- 2015-07-01 CN CN201520465783.0U patent/CN204882076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588958A (en) * | 2017-11-07 | 2018-01-16 | 吴兆阳 | Engine valve actuating mechanism experimental rig |
| CN109387371A (en) * | 2018-10-17 | 2019-02-26 | 奇瑞汽车股份有限公司 | Engine valve actuating mechanism test-bed |
| CN111185866A (en) * | 2020-02-28 | 2020-05-22 | 广西玉柴机器股份有限公司 | Guide rail type positioning and press-fitting tool for cam shaft timing gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204882076U (en) | Adjustable valve timing mechanism test bench | |
| CN102607827B (en) | Clamping device for stiffness testing of rubber bushing | |
| CN109940197B (en) | Axle housing flange two-way drilling clamping device | |
| CN104697735A (en) | Novel rail train shock absorber sine indicator | |
| CN101954581A (en) | Engine timing gear press mounting positioning device | |
| CN203422383U (en) | Clamping device for transferring samples | |
| CN108161417A (en) | A kind of automobile absorber spring assembly and disassembly methods | |
| CN202836408U (en) | Internal combustion locomotive alignment gauge stand | |
| CN104209860A (en) | Special flat floating fixture for precision honing machine | |
| CN101424527B (en) | Inner ring single and double capped edges measuring device for cylinder bearing | |
| CN208592562U (en) | A kind of electro spindle assembly tooling of pre-add elastic load | |
| CN202388409U (en) | Cylinder cover positioning device for pressing valve key | |
| CN110162002B (en) | Numerical control rotary worktable reliability test bed capable of simulating actual working condition loading | |
| CN104759864A (en) | Press fitting device of vehicle auxiliary frame bushing | |
| CN107478442B (en) | Subframe fatigue test moment of flexure, torque cancellation element | |
| CN109202423A (en) | A kind of positioning pin press-loading apparatus | |
| CN109297708B (en) | Automobile hub bearing test installation tool | |
| CN209908585U (en) | Rocker arm axial limiting structure | |
| CN101281095A (en) | Combined fly wheel loading unit capable of reconstructing | |
| CN203495246U (en) | Improved precision row tool type numerical control lathe | |
| CN202639786U (en) | Balance shaft support press fitting platform | |
| CN109108721A (en) | A kind of coaxial-type weight bearing balancing device | |
| CN102364320A (en) | Dual-lateral surface supported bearing pedestal installation structure | |
| CN208912883U (en) | A kind of wrapping mold part is to position detecting mechanism | |
| CN202162557U (en) | Self-adaptive gantry framework of gantry-moving type machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |